None until they are on thier third or fourth set of true leaves. I do not want my plants to bolt up right now they still have a long time before they go outside. I use Pro-Mix from start to finish. I do not know about the acid loving part.
cyotefishing, AJ is right on it is definitely the lights. If you are using fluorescents put the seedlings about an inch from the lights let them grow till they almost touch or even touch then raise the light.
Dale
cyotefishing, AJ is right on it is definitely the lights. If you are using fluorescents put the seedlings about an inch from the lights let them grow till they almost touch or even touch then raise the light.
Dale